How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
I am using slightly modified master SPI example from here which is running on nRF5340 to communicate with slave device, which is RHD2216 . SPI frequency is NRF_SPIM_FREQ_4M...
Using a nRF52832, I would like to broadcast advertisement packets normally and in extended mode at the same time. Is this possible or do I have to ping-pong between, stop...
ok,i recenlty have gotten iq samples from Rx.but i think my received iq samples are from Tx .i use the NCS 1.9.1 with two boards nrf52833dk.
firstly,i connect antenna array...
Hi, I have already updated all certificates and firmware. But when I am trying to connect my device to the cloud it does not recognize my device. when I am trying to add my...
Hello Dear,
Why the time of uplink state is 950 ms if the data packet size is 0 Byte in mode NB-IoT not in LTE-M?
Can we say that every time a data is sent, it takes 950...
Hello, All
I received following message when I test the code, it appears on both sides,
ASSERTION FAIL [chunk_used(h, c)] @ WEST_TOPDIR/zephyr/lib/os/heap.c :163
unexpected...
Hi,
I have installed Segger Studio for ARM v6.22a.
I have also installed the SDK5 version 12.3.0.
I imported the IAR project project ble_app_start_notification_pca10028_s130...
Hi,
I am after some assistance with creating a 6 layer stackup to use with the NRF52840_CIAA that is 1.6mm thick.
Can you provide recommend layer stack up that have been...
Hello.
Is there any difference between i2s hardware in nRF52840 and nRF52833? I made WS2812B i2s driver and working very good on nRF52840. The same code (project is adjusted...
Hi, I'm developing an application which is merging from (ble_app_uart + libuarte + app_timer + pwm). Here is my main.c Now I'm developing an feature that using timer ((app_timer...
Hi,
As mentioned in subject line, I am trying to enable BLE SC peripheral in SDK 17.0.1 with softdevice S113. I have enabled the PM_LESC_ENABLED macro in sdk_config and...
Hi Nordic,
My customer has imploy nRF52832 to develop a heart rate equipment.
We have test the ble_app_hrs_c and ble_app_hrs on two nRF52 DK.
I found that if I comment...
Hello Dear,
Why the time of uplink state is 950 ms if the data packet size is 0 Byte?
Can we say that every time a data is sent, it takes 950 ms to get the transmission...
Hi nordic, In the products I developed, since the entire product is metallic, only a small part is a non-metallic material, and an antenna has been designed to solve the problem...
